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Merge pull request #83896 from mars1024/modify/cni_log

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modify error output in cniNetworkPlugin
This commit is contained in:
Kubernetes Prow Robot 2019-11-14 20:52:02 -08:00 committed by GitHub
commit 3202bc1044
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1 changed files with 12 additions and 2 deletions
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14
pkg/kubelet/dockershim/network/cni/cni.go
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@ -191,7 +191,7 @@ func getDefaultCNINetwork(confDir string, binDirs []string) (*cniNetwork, error)
}
}
if len(confList.Plugins) == 0 {
klog.Warningf("CNI config list %s has no networks, skipping", confFile)
klog.Warningf("CNI config list %s has no networks, skipping", string(confList.Bytes[:maxStringLengthInLog(len(confList.Bytes))]))
continue
}
@ -199,7 +199,7 @@ func getDefaultCNINetwork(confDir string, binDirs []string) (*cniNetwork, error)
// all plugins of this config exist on disk
caps, err := cniConfig.ValidateNetworkList(context.TODO(), confList)
if err != nil {
klog.Warningf("Error validating CNI config %v: %v", confList, err)
klog.Warningf("Error validating CNI config list %s: %v", string(confList.Bytes[:maxStringLengthInLog(len(confList.Bytes))]), err)
continue
}
@ -462,3 +462,13 @@ func (plugin *cniNetworkPlugin) buildCNIRuntimeConf(podName string, podNs string
return rt, nil
}
func maxStringLengthInLog(length int) int {
// we allow no more than 4096-length strings to be logged
const maxStringLength = 4096
if length < maxStringLength {
return length
}
return maxStringLength
}